Geometry Definitions

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Across
  1. 3. Angles that add up 90 to degrees
  2. 6. Type of triangle with two sides equal
  3. 8. Type of triangle with all sides equal
  4. 10. Polygon with nine sides
  5. 11. First name of a student in our class
Down
  1. 1. Type of triangle with one obtuse angle
  2. 2. Angles that add up to 180 degrees
  3. 4. Type of triangle with three acute angles
  4. 5. Type of triangle with all three sides not equal
  5. 7. Polygon with eight sides
  6. 9. Polygon with five sides
  7. 12. Type of triangle with one right angle